books.google.co.in - This manual describes a species of hardy fish that can be kept indoors or in outdoor pools. Original goldfish are yellow, but as this book of advice for aquarium hobbyists explains, selective breeding produces goldfish in several colors, as well as with a variety of exotic features. Titles in Barron's...https://books.google.co.in/books/about/Goldfish.html?id=0m0B6VCMirQC&utm_source=gb-gplus-shareGoldfish